Patents by Inventor Daniel J. Simmons

Daniel J. Simmons has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Slip ring assembly having a brush assembly axially applied to a conductive busbar ring
    Patent number: 10109970
    Abstract: The disclosed invention is a slip ring assembly that provides electrical power transfer to centrifugal turbomachinery while minimizing or eliminating the presence of wires in the flow path. The device transfers electrical power through a set of wires connected to a plurality of brushes that are held rotationally stationary, but allowed to displace axially or radially through a set of springs. The brushes make contact with conductive busbar rings, transferring electricity to the busbar rings. The busbar rings rotate with the centrifugal turbomachine with a set of wires that connect the busbar rings to the blades or other aerodynamic surfaces of the centrifugal turbomachine.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: October 23, 2018
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Michael E. Slipper, Tristan M. Wolfe, Daniel J. Simmons
  • Slip ring having multiple brushes axially applied to a segmented busbar
    Patent number: 10033145
    Abstract: The disclosed invention is a slip ring assembly that provides electrical power transfer to centrifugal turbomachinery while minimizing or eliminating the presence of wires in the flow path. The device transfers electrical power through a set of wires connected to a plurality of brushes that are held rotationally stationary, but allowed to displace axially or radially through a set of springs. The brushes make contact with conductive busbar rings, transferring electricity to the busbar rings. The busbar rings rotate with the centrifugal turbomachine with a set of wires that connect the busbar rings to the blades or other aerodynamic surfaces of the centrifugal turbomachine.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: July 24, 2018
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Michael E. Slipper, Tristan M. Wolfe, Daniel J. Simmons
  • Slip ring assembly for electrical power transfer to centrifugal turbomachinery
    Patent number: 9793669
    Abstract: The disclosed invention is a slip ring assembly that provides electrical power transfer to centrifugal turbomachinery while minimizing or eliminating the presence of wires in the flow path. The device transfers electrical power through a set of wires connected to a plurality of brushes that are held rotationally stationary, but allowed to displace axially or radially through a set of springs. The brushes make contact with conductive busbar rings, transferring electricity to the busbar rings. The busbar rings rotate with the centrifugal turbomachine with a set of wires that connect the busbar rings to the blades or other aerodynamic surfaces of the centrifugal turbomachine.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: October 17, 2017
    Assignee: The United States of America Department of the Navy
    Inventors: Michael E. Slipper, Tristan M. Wolfe, Daniel J. Simmons